Petzold, Ernst
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- Open Library: OL2442821A
- pdbooks.info ID: 68069
Ernst Petzold Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
 |  |  | 
| ||||||
| Elementare raumakustik | 1927 | Author | |  |  | | | ||
| Störungsdienst in zb- und sa-netzen | 1930 | Author | | | | | | ||